Funding for this research was provided by:
Hamadan University of Medical Sciences
Article History
Received: 20 May 2018
Accepted: 12 May 2019
First Online: 23 May 2019
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: Ethical approval was obtained from the research ethics committees at the Hamadan University of Medical Sciences and in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.